Ok, this has puzzled me for a while..
At the very end of "Gideon Rises" right before Stan gets out of his car, after the destruction of the Gideon-Bot, Blendin Blandin from "The Time Travelers Pig" is seen in the background. Didn't he get arrested at the end of "The Time Travelers Pig" and was just seen escaping custody in "Blendin's Game"?Read more >
Based on what I now know about the Weirdmageddon story arc, I believe the UFO crashed first, and that caused the Law of Weirdness Magnetism (as Ford calls it), and all the subsequent weirdness to be attracted and contained within the valley.
Any other theories?Read more >